Apparatus for the manufacture of tapered asphalt shingles



B. C. BECKMAN AND 0. HERZOG. APPARATUS FOR THE MANUFACTURE OF TAPERED ASPHALT SHINGLES. APPLICATION FILED JAN. 18. I921.

1L 412,8g8 V Patented Apr. 11.8 1922?.

4 SHhETS-SHEEI I.

B. C. BECKMAN AND A. 0. HERZOG.

APPARATUS FOR THE MANUFACTURE OF TAPERED ASPHALT SHINGLES. APPLICATION HLED JAN. 18. 1921.

1,411 2,82 Pamnted Apr. 118; 11922 4 $HEETS-SHEET 2- B. C. BECKMAN AND A. 0. HERZOG.

APPARATUS FOR THE MANUFACTURE OF TAPERED ASPHALT SHINGLES.

APPLICATION FILED JAN. 18. 1921.

1A1 2,280 Patented Apr. 118, 1922.

4 SHhETSSHEET 3.

B. C. BECKMAN AND A 0. HERZOG. APPARATUS FOR THE MANUFACTURE OF TAPERED ASPHALT SHINGLES.

APPLICATI ON FILED JAN. 18, I921- Apr' 189 4 SHEETS-SHEET 4- m; w 4 w z .5. p 1%- AR m e y f. $0 7 m n MW q. n m4 n M u 4 &

county of I10 gles, of

-NHTED STATES FATENT F-FHQEO BERNARD C. IBECK'MAN, OE NAPERVILLE, AND ARTHUR 0. HERZOG, F IUA. GRANGE, ILLINUIS, ASSIG-NORS TO BECKMAN-DAWSON ROOFING COMPANY, A CQRPQEJA- Specification of Letters Patent.

Patented Apr. 11$, 1922.

Application filed January 18, 1921. Serial No. 438,068.

To all whom it concern:

Be it known that we, BERNARD C. BECK- MAN and ARTHUR 0. Hnrzoc, citizens of the United States, and residents of Naperville, Du Page, State of Illinois, and La Grange, county of Cook, and State of lllinois, respectively, have invented certain new and useful Improvements in Apparatus for the Manufacture of Tapered Asphalt Shinwhich the following is a specification, and which are illustrated in the accompanying drawings, forming a part thereof.

The invention relates to the manufacture of prepared roofing and has for its object the provision of an improved method and apparatus for producing prepared roofing shingles of varying thickness from end to end or so-called tapered shingles.

While prepared roofing shingles comprising a foundation layer of water proofed felt, an asphalt coating of uniform or varying thickness, and a surface layer of crushed slate or the like are extensively used, it is recognized that application of asphalt coatings to both Sides of the felt foundation layer is desirable to prevent warping or curling of the shingles under continued exposure to the Weather. The invention accordingly contemplates the manufacture of ventionally tapered shingles having asphalt coatings upon both sides, a detail of the invention being an improved mechanism whereby the same machine may bev interchangeably used for making shingles having both coatings tapered or either the top or bottom coating tapered and the other coating ofv uniform thickness.

In the accompanying drawings Fig. 1 is a diagrammatic representation of an assembled apparatus which may be employed for the manufacture of tapered asphalt shingles in accordance with the invention, parts of the apparatus being con shown and some of the vats, hoppers and the like being in section, and

Fig. 2 is a detail front elevation of the slitter showing the roofing strip in section at the place indicated by line 2-2 on Fig. 1;

Fig. 3 is a detail plan view of the slitter and the apparatus associated therewith for dividing the roofing strip into separate shingles;

Fig. 4 is a transverse sectional view taken on the line 4-4 of Fig. 1;

Figs, 5 and 6 are detail sectional views taken on the lines 5-5 and 6-6 respectively, of Fig. 1;

Fig. 7 is a detail side elevation of the apparatus illustrated in Figs. 4, 5 and 6;

Figs. 8, 9 and 10 are perspective views partly broken away showing different styles of tapered prepared roofing shingles.

The particular apparatus selected for illustration may be interchangeably used for making the three difierent styles of shingles, as 15, 16, 17, shown in Figs. 8, 9 and 10 respectively. While each of these shingles is of varying thickness from end to end and is formed with asphalt coatings, as 18, 19, 20, 21 or 22, 23, upon both sides of the body layer 24: of saturated felt, the shingle has its bottom coating thickness and its top coating 18 of varying thickness, the shingle 16 has its top coating 20 of uniform thickness and its bottom coating 21 of varying "thickness and the shingle 17 has both its top and bottom coating '22, 23, of varying thickness. In each I case the top coating, 21518, 20 or 22 is covered with the usual surface layer 25 of crushed slate or the like.

1n carrying out the invention, the shingles are made from a continuous web, as 26, (Fig. 1) of wool felt. As shown, this felt web is of uniform thickness and the tapered form of the shingles is obtained wholly by the said variations in the thickness ofthe asphalt coatings. Under these circumstances, the greatest taper is obtained by varying the thickness of both the top and bottom coatings, as in shingles '17, Fig. 10.

The web 26, after being saturated with water-proofing compounds is preferably passed over guide rollers, as 27 28 and 29 and between feed rolls 30 which cause the same to travel inloops or festoons', as 31, 32. From the last of these festoons, as 32, the web is drawn by feed rolls 33 which deliver it to a vat 3t containing the coating compound. This coating compound may be the usual asphalt coating material and is desirably maintained at such a temperature in the vat 34; as to cling to the web 26 when the latter is drawn through the same being looped about a guide roll 35 immersed 19 of uniform as by.

8 sides of the web 26 in the vat. Uponleaving the vat 34, surplus coating compound is removed .from both sets of doctoring and forming 38, 39 or 40, 41, are preferably over the vat 34. hese several are illustrated in detail in Figs. 4, 5 and 6 respectively, of the drawings. Each roll is preferably hollow and formed with tubular trunnions, as 42, for the admission of a heating fluid to its chamber, as 43. The two rolls of each set are mounted in standards, as 44 and 45, carried by the side walls of the vat 34, one of the rolls, as 37, 39 and 41, of each set being stationarily journaled at its opposite ends in the correspondin pair of standards 44, 45, and the other ro l, as 36, 38 and ing vertically sliding journal boxes, as 46, which standard.

As only one set of the said doctoring and forming rolls is used at a time, provision is madefor lifting one set out of co-operative relation with the companion roll. For this purpose a. screw bolt '47 is connected to and extends upwardly from each of the sliding journal boxes 46 and each of these screw bolts is engaged with a nut 48 which is rotatably mounted at the rolls 36. 37; all supported sets of rolls beveled gear rovided with hand wheels 51 at one end of t each of the said set of rolls.-

50 is journaled adjacent its Each shaft beveled gears 54 and 55 for turning both of t e corresponding nuts 48 by engagement with their beveled gears 49.

While the said three sets of doctoring and forming rolls are desirably driven from a common shaft, as 56, provision is preferably made for driving only that set of rolls Which is being used. As shown, a beveled gear 57 is associated with'one of the rolls, as

shaft 56 adjacent clutches convenshown, each of these clutches is controlled 0 by a separate hand lever 67.

en the doctoring and forming rolls 36, 37, are in use, shingles of the form shown at 15 and having a bottom coating 19 of uniform thickness and a top coating 18 of vary- 40, of each set, havof the rolls of each.

e same, is associated with y and 59, 60 and 61, are 1 diameter in difi'eren't-portions and tapers gradually between said larger andsmaller portions. As shown, thedoctoring and forming rolls are of suitable length. to operate-upon a web 26 havlng a width e ual to the length of three shingles, as' 15; nder these circumstances, the doctoring and f0 ing roll 36 has aportion 62 of large diameter atone end, a portion 63 of small diameter at the other end and portions 64 and 65 of small and large diameter respectively, intermediate its ends, the said small and large portions of the roll being connected by gradually tapering portions, as 66.

The. doctoring and forming rolls form diameter, like the roll 37. The doctoring and forming rolls 40, 41, (Fig. 6), on the other hand, are both of varying diameter like the roll 36,. the large and small portions, as 62, 64, of the roll 41 registering with the like portions of the'roll 40.

It follows that when the doctoring and forming rolls 40, 41, are used, theother two sets of said rolls being negative, the asphalt coatings applied to both sides of the web 26 will be of varying thickness, the thick and thin parts of each coating being directly above or below the like parts of the other coating. Similarly, when the doctoring and forming rolls 38, 39, are used, the asphalt coating applied to the underside of the web 26 will be 0 varying thickness while the coating applied to the upper side of the brought into cooperative relation by the operation of the associated hand wheel 51.

fter passing the last-set of doctoring forming rolls, as 40, 41, the 'web 26 travels through the sander, conventionally represented at 70, where the crushed slate ayer, as 25, is applied in and thence about the cooling drums 71 to the accumulator 72,. where it may be supported in. loops or festoons 73, as required. me or more rolls 74, 75, serve for drawing the web from the accumulator 72 and deliveringit to theslitter 76 and cutter 77 where it is divided into shingles, 15, .16, 17. Both the slitter 76 and the.

cutter'77 are of usual form but it is imthe usual way,

portant that the several sets of blades, as 78, 79, of the slitter should correspond in number and be located in alignment with the large and small port-ions, as 65, and 64, of the said doctoring and forming rolls. In case the doctoring and forming rolls 40, -11, (Fig. 6) have been used, the slitter 76 will then serve to divide the web into three widths, as 80,, '81 and 82 (Fig. 3), the asphalt coatings of which will be of varying thickness, with the thicker parts of both coatings extending along one edge of the width and the thinner parts of both coatin gs extendin along the opposite edge of the width. Similarly, if the doctoring and forming rolls 36, 37, or 38, 39, have been used, the widths, as'80, 81 and 82 into which the web is divided will have asphalt coatings upon both sides of the same and the widths will each be thicker at one edge than at the other, but the said difference in thickness will be due entirely to a varying thickness of only one of the coatings. The cutter 77 serves for cutting the widths, as 80, 81 and 82 into separate shingles.

While the shingles 15, 16, 17 illustrated in the drawings, are each shown as having the surface layer 25 of crushed slate or the like applied to the top coating, as 18, 20 and 22, it will be understoodthat similar surface layers maybe applied to both top and bottom coatings of any of the styles of shingles shown, if desired, or that a surface layer of crushed slate or the like may be applied to either top or bottomooating with or without the applicationof sand or other fine material to the other coating.

We claim as our invention:

1. In an asphalt shingle machine, in com bination, web conveying means, web coating means and a plurality of sets of differently shaped forming devices selectively operable upon the coated web.

'2. In an asphalt shingle machine, in combination, web conveying means, web coating means, ,and a plurality of unlike pairs of forming rolls selectively operable upon the coated web.

3. In an asphalt shingle machine, incombination, web conveying means, web coating means operable to coat both sides of the web, and two pairs of forming rolls selectively operable upon the coated web, each ofsaid pairs comprising a plain and a taperingroll but the plain and tapering rolls being transposed in the two pairs.

4. In an asphalt shingle machine, in combination, web conveying means, means operable to coat both sides of the web, and three pairs of forming rolls selectively operable upon the coated web, two of the said pairs of rolls each comprising a plain and a tapering roll, but the plain and tapering rolls being transposed in the said two pairs and the third pair of rolls com: prising two ta erin rolls.

BE RNA D C. BECKMAN. ARTHUR O. HERZOG.

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